Atrypa 'reticularis'-Dicoelosia alticavata Community at Malmoykalven: Telychian, Norway

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia
Graptolithina indet. Bronn 1849
unclassified
Bryozoa indet. Ehrenberg 1831
Strophomenata - Strophomenida
Strophomenida indet. Opik 1934
Strophomenata - Strophomenida - Leptestiidae
Leangella sp. Opik 1933
Strophomenata - Strophomenida - Sowerbyellidae
Eoplectodonta penkillensis (Reed 1917)
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena purpurea Cocks 1968
Rhynchonellata - Atrypida - Atrypidae
Atrypa reticularis (Linnaeus 1758)
species name in quotes
Rhynchonellata - Atrypida - Glassiidae
Glassia sp. Davidson 1881
Rhynchonellata - Spiriferida - Cyrtiidae
Cyrtia exporrecta (Wahlenberg 1818)
Eospirifer sp. Schuchert 1913
Rhynchonellata - Protorthida - Skenidiidae
Skenidioides sp. Schuchert and Cooper 1931
Rhynchonellata - Orthida - Dicoelosiidae
Dicoelosia alticavata (Whittard and Barker 1950)
Rhynchonellata - Orthida - Dalmanellidae
Resserella cf. springfieldensis
Rhynchonellata - Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931
Rhynchonellata - Pentamerida - Clorindidae
Clorinda sp. Barrande 1879
may substitute for Dicoelosia alticavata
Trilobita
Trilobita indet. Walch 1771
Illaenomorph trilobites
Anthozoa - Rugosa
Rugosa indet. Milne-Edwards and Haime 1850
see common names

Geography
Country:Norway
Coordinates: 59.9° North, 10.8° East (view map)
Paleocoordinates:23.5° South, 8.2° West
Basis of coordinate:based on nearby landmark
Geographic resolution:local area
Time
Period: Silurian Epoch: Llandovery
Stage: Telychian 10 m.y. bin: Silurian 1
*International age/stage:Late/Upper Telychian
Key time interval: Telychian
Age range of interval: 438.5 - 433.4 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Vik
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: lime mudstone
Secondary lithology: "shale"
Includes fossils?Y
Includes fossils?Y
Lithology description: "Baarli (1990b) has described the environment for this community as characterized by a very soft bottom. It is found in both very limy and in more pure siliciclastic shale..."
Environment:marine indet.
Geology comments: "This comm. is succeeded by a comm. of the Stricklandiidae Comm. Grp. in an upwardly shallowing sequence. It probably belongs to BA 5 and the outer part of BA 4."
Taphonomy
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:paleoecologic analysis
Collection method comments: Lists from 10 m and 32 m above base of Vik Formation (table 22.1) and from text. Table 22.1 gives absolute specimen counts.
Taxonomic list comments:Not all higher taxa listed at genus level.
Metadata
Database number:14264
Authorizer:M. Foote Enterer:M. Foote
Modifier:M. Foote Research group:marine invertebrate
Created:2002-05-29 12:04:13 Last modified:2006-09-15 15:14:05
Access level:the public Released:2002-05-29 12:04:13
Creative Commons license:CC BY
Reference information

Primary reference:
6308. B. G. Baarli, H. B. Keilen, and M. E. Johnson. 1999. Silurian communities of the Oslo Region, Norway. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 327-349 [M. Foote/M. Foote/P. Wagner]